Skip to content
OpenAdvisories
High MSRC-CVE-2025-55229 1 CVE

Windows Certificate Spoofing Vulnerability

Published Aug 12, 2025 · Updated Aug 26, 2025 · Revision 2

Vendor: Microsoft

Summary

Impact: Spoofing. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

Details

According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L),but lead to no loss of availability (A:N) and integrity (I:N)? What does that mean for this vulnerability?
An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality) but not all resources within the impacted component may be divulged to the attacker. The attacker cannot make changes to disclosed information (Integrity) or limit access to the resource (Availability).

Security updates
10.0.17763.7314 — https://support.microsoft.com/help/5058392
10.0.20348.3692 — https://support.microsoft.com/help/5058385
10.0.20348.3630 — https://support.microsoft.com/help/5058500
10.0.19044.5854 — https://support.microsoft.com/help/5058379
10.0.22621.5335 — https://support.microsoft.com/help/5058405
10.0.26100.4061 — https://support.microsoft.com/help/5058411
10.0.25398.1611 — https://support.microsoft.com/help/5058384
10.0.10240.21014 — https://support.microsoft.com/help/5058387
10.0.14393.8066 — https://support.microsoft.com/help/5058383

Vulnerabilities 1

Revision history

  1. #2

    Corrected Download and Article links in the Security Updates table. This is an informational change only.

  2. #1

    Information published. This CVE was addressed by updates that were released in May 2025, but the CVE was inadvertently omitted from the May 2025 Security Updates. This is an informational change only. Customers who have already installed the May 2025 updates do not need to take any further action.

References